Top 10 Best ring sensor in 2026

Last Updated - 6/8/2026

🏆Best Choice

Ring

Ring Alarm 14-Piece Kit – Wireless Smart Home Security System | Expandable | Easy Setup | Mobile App Control | 24/7 Professional Monitoring | Alexa Compatible

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•A great fit for 2-4 bedroom homes, this Alarm Kit includes one Base Station, two Keypads, eight Contact Sensors, two Motion Detectors, and one Range Extender.
•Includes an intuitive Keypad that can arm and disarm your Alarm and Contact Sensors that detect when doors or windows open.
•Choose the Ring Alarm Kit that fits your needs and detect even more with additional Alarm Sensors and accessories (sold separately) at any time.
•Receive mobile notifications when your system is triggered and monitor all your Ring devices all through the Ring app.
•More peace of mind. Subscribe to Ring Home Standard (sold separately), to Arm your Alarm from anywhere, keep your system online if the Wi-Fi goes down, and more. Plus, add Alarm Professional Monitoring to your eligible Plan for emergency police, fire and medical response, and more.
•Better with Alexa - Arm and disarm your Ring Alarm using only your voice with a compatible Ring Home Plan (subscription required, sold separately).

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$329.99

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Ring

Ring Alarm Flood & Freeze Sensor | Protect from Water Damage & Frozen Pipes | Real-Time Alerts for Leaks & Low Temp | Base Station Required

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Ring Alarm Flood and Freeze Sensor protects your home from flood and water damage. Get alerts on your smart phone when water or low temperatures (below 40°F / 4.4°C) are detected.
•Easy setup in minutes—without tools or professional installation. Requires Ring Alarm Security System (sold separately).
•See more. Know more. Protect more. - Record 24/7 on your eligible cameras, scroll back in time to rewatch what you missed, get alerts for people and package, and so much more with an compatible Ring Home subscription (sold separately).
•Battery life 3 years max. Batteries are replaceable.

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$34.99

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Ring

Ring Alarm Motion Detector | Pet-Friendly Security with Adjustable Settings | 90° Coverage & 25ft Range | Easy Installation | Base Station Required

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Receive mobile notifications when someone triggers the Motion Detector, opens a window or door, or sets off the siren (subscription required, sold separately). Adjust your Motion Detection level to help avoid false alarms from the pets. Link Ring cameras to turn on when your Alarm is triggered, and more, all from one simple dashboard.
•Now smaller to enable increased placement options.
•Easy installation with no tools required.
•Mounts to room corners and flat walls.
•Uses two AA batteries.
•Requires the Ring Alarm Base Station.
•See more. Know more. Protect more. - Record 24/7 on your eligible cameras, scroll back in time to rewatch what you missed, get alerts for people and package, and so much more with an compatible Ring Home subscription (sold separately).

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$29.99

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Ring

Ring Alarm Contact Sensor Riser (2nd Gen) | Elevates Sensor for Crown Molding & Trim | Easy No-Tools Installation | Works with Ring Contact Sensors

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Riser and magnet only, Contact Sensor sold separately.
•Helps your Ring Alarm Contact Sensor and magnet properly align on uneven doors, windows or frames to not exceed the 1-inch max detection gap.
•Riser adds 10mm in height to your Contact Sensor, and includes a separate sensor magnet that’s 10mm taller than the original.
•Indoor use only. Mounts to doors, windows, or frames.
•Sensor Riser: Length: 2.09 inches (53 mm), Width: 1.12 inches (28.5 mm), Height: 0.49 inches (12.5 mm).
•Magnet: Length: 2.09 inches (53mm), Width: 0.43 inches (11mm), Height: 0.95 inches (24.1 mm).
•Sensor Riser: 0.23 oz. (6.5g); Magnet: 0.55 oz. (15.7 g); Combined: 0.78 oz. (22.2 g).

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$9.99

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Ring

Ring Alarm Contact Sensor - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design Fits Any Frame | Easy Installation | Base Station Required

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Get instant mobile alerts when doors and windows open in your home.
•Now smaller to enable increased placement options.
•Easy installation with no tools required.
•See more. Know more. Protect more. - Record 24/7 on your eligible cameras, scroll back in time to rewatch what you missed, get alerts for people and package, and so much more with an compatible Ring Home subscription (sold separately).
•Includes two 3V CR2032 batteries.
•Requires the Ring Alarm Base Station.

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$19.99

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Ring

Ring Security Yard Sign - Alarm Monitoring

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Tell the neighborhood that your home is protected by Ring Alarm and 24/7 professional monitoring.
•Stick this Security Yard Sign into soft ground in front of your home to stop crime in its tracks.
•Includes Security Yard Sign and mounting stake.
•Sign: 8.66 in. x 8.66 in. x 0.6 in. Tube: 23.8 in. x 0.51 in. x 0.51 in. Anchor: 3.66 in x 0.52 in.

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$14.99

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Ring

Ring Alarm Outdoor Contact Sensor | Monitor Gates, Garages & Outdoor Spaces | Weather-Resistant Design | 250ft Range | Easy Installation | Base Station Required

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Help secure outdoor gates, sheds, guesthouses, and windows with Ring Alarm Outdoor Contact Sensor.
•Get mobile alerts when your outdoor gate opens, or set the sensor to automatically trigger your Ring Alarm siren when armed in Home or Away mode.
•With its weather-resistant design, the Ring Alarm Outdoor Contact Sensor can withstand outdoor use in most climates.
•Outdoor Contact Sensor comes with mounting tape and screws for easy installation on most surfaces.
•Requires Ring Alarm or Ring Alarm Pro.
•See more. Know more. Protect more. - Record 24/7 on your eligible cameras, scroll back in time to rewatch what you missed, get alerts for people and package, and so much more with an compatible Ring Home subscription (sold separately).
•Ring Alarm and the professional monitoring service are available and ship only within the U.S. (excluding territories) and Canada.

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$49.99

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Ring

Ring Mailbox Sensor, Up to 3 Years of Battery Life – Black

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Get alerts — Ring Mailbox Sensor is a battery-powered motion sensor that sends you real-time notifications via the Ring app when your mailbox opens.
•Stay online — Mailbox Sensor connects with Amazon Sidewalk out of the box. You do not need a hub device like Ring Bridge or Alarm Pro Base Station (sold separately) if your Mailbox Sensor is using Amazon Sidewalk to connect.
•Works with Alexa — Connect Ring Mailbox Sensor to an Alexa-enabled device and Alexa will notify you when your mailbox has been opened.
•Pair with other devices — Link with Ring Smart Lighting, Cameras, and Doorbells to turn on and start recording when the sensor detects motion.
•Customize your security — Adjust the motion sensitivity in the Ring app to fit your home.

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$29.99

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Ring

Ring Alarm Open Window Magnet (2nd Gen) | Secure Partially Open Windows | Enjoy Fresh Air While Protected | Ring Contact Sensor & Base Station Required

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Leave sliding doors and windows cracked open for ventilation and still have security with Open Window Magnets for Ring Alarm.
•Intended for use with the Ring Alarm Contact Sensor (sold separately).
•The Alarm Contact Sensor connects to your Alarm Base Station and easily mounts to any door or window frame in your home. With a Ring Protect subscription (sold separately), it sends you mobile alerts whenever your doors or windows open, so you’ll always be the first to know when something’s ajar.
•Operating Conditions: 32°F to 120°F (0°C to 49°C).
•Dimensions: 2.09” x 0.43” x 0.54” (53mm x 11mm x 13.61mm) - Maximum Distance Between Sensor and Magnet: 1 inch.
•Mounting: Mount to Door or Window Frame; Mount with attached adhesive pad.
•Requires the Ring Alarm Security Kit.

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$4.99

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ONTEN

Garage Door Bracket Compatible with Ring Alarm Contact Sensors (2nd Gen) – Perfect Fit, Reliable Hold, Quick Setup (2 Pack)

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Compatible with ring 2nd Gen Alarm Contact Sensors – Designed to securely mount on garage doors, this bracket ensures a perfect fit for your 2nd Gen alarm contact sensors
•Quick & Easy Installation – Simple and quick setup with the included mounting hardware, no additional tools or professional assistance needed
•Durable & Reliable – Constructed from strong, high-quality materials, this bracket is built to last, providing consistent performance day after day
•Real-Time Monitoring – Integrate with your home security system to receive real-time alerts for any garage door activity, enhancing your home security
•2-Pack for Versatility – Includes two brackets, ideal for use on multiple doors or as a backup for your convenience, offering great value

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$12.90

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